Meningeal tumors of childhood
نویسندگان
چکیده
منابع مشابه
Malignant primary meningeal tumors.
1) Out of 160 primary meningeal tumors surgically treated, 10 cases had histologically malignant tumors. Of them two cases of sarcoma and one case of meningioma with marked invasiveness were filed in malignant (sarcoma) group, and six cases of angioblastic meningioma of hemangiopericytoma type and one case of meningioma with partial invasiveness in semi malignant group. 2) Average duration of s...
متن کاملMeningeal carcinomatosis in solid tumors.
The involvement of the leptomeninges by metastatic tumors can be observed in solid tumors, in which case it is termed meningeal carcinomatosis (MC), and in lymphoproliferative malignant disease. It is more common in breast and lung cancer, as well as melanoma, with adenocarcinoma being the most frequent histological type. MC is usually a late event, with disseminated and progressive disease alr...
متن کاملThe Origin and Nature of Meningeal Tumors
Since the classical article of M. B. Schmidt meningeal tumors have been generally considered to arise from clusters of arachnoidal cells, and controversy concerning them has been largely terminological. Many have objected to the common term dural endothelioma on the grounds that the tumors arise from the arachnoidal membrane and that the neoplastic cells are not endothelial. Mallory, followed b...
متن کاملMeningeal Solitary Fibrous Tumors with Delayed Extracranial Metastasis
BACKGROUND The term solitary fibrous tumor (SFT) is preferred over meningeal hemangiopericytoma (HPC), because NAB2-STAT6 gene fusion has been observed in both intracranial and extracranial HPCs. HPCs are now considered cellular variants of SFTs. METHODS This study analyzes 19 patients with STAT6-confirmed SFTs, who were followed for over 11 years in a single institution. Ten patients (10/19,...
متن کاملChildhood Brain Tumors
Brain cancer is one of the most prevalent childhood cancers in the United States and Canada, second only to leukemia [1, 2]. The overall incidence of childhood brain tumors, the most common solid tumor in children, rose from 2.3 cases per 100,000 in 1975 to 3.0 cases per 100,000 in 1998 in the United States [1]. Similar rates were also seen in Canada [2]. One concern is that the elevated risk o...
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ژورنال
عنوان ژورنال: Cancer
سال: 1989
ISSN: 0008-543X,1097-0142
DOI: 10.1002/1097-0142(19890315)63:6<1205::aid-cncr2820630627>3.0.co;2-u